3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(array &$x = array()){} $x = array(); foo($x[0]); foo($x[1]); foo($x[2]); foo($x[3]); var_dump($x);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0090.00618.43
8.3.50.0100.00521.33
8.3.40.0130.00318.79
8.3.30.0140.00019.09
8.3.20.0040.00420.16
8.3.10.0000.00821.92
8.3.00.0050.00322.47
8.2.180.0120.00616.50
8.2.170.0150.00322.96
8.2.160.0070.00720.38
8.2.150.0060.00324.18
8.2.140.0160.00324.66
8.2.130.0130.00326.16
8.2.120.0080.00019.56
8.2.110.0090.00021.99
8.2.100.0090.00319.38
8.2.90.0040.00419.22
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0040.00417.68
8.2.50.0090.00018.07
8.2.40.0030.00517.98
8.2.30.0040.00417.95
8.2.20.0040.00417.60
8.2.10.0060.00317.70
8.2.00.0000.00717.75
8.1.280.0090.00625.92
8.1.270.0040.00420.41
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00023.97
8.1.230.0040.00719.16
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0000.00717.51
8.1.180.0000.00818.83
8.1.170.0000.00818.42
8.1.160.0050.00222.07
8.1.150.0000.00718.45
8.1.140.0050.00217.40
8.1.130.0090.00017.83
8.1.120.0030.00317.43
8.1.110.0000.00817.32
8.1.100.0000.00717.43
8.1.90.0070.00017.30
8.1.80.0000.00717.28
8.1.70.0070.00017.21
8.1.60.0000.00817.61
8.1.50.0050.00217.56
8.1.40.0030.00517.50
8.1.30.0000.00717.64
8.1.20.0040.00417.68
8.1.10.0070.00017.47
8.1.00.0050.00317.42
8.0.300.0040.00418.77
8.0.290.0040.00416.93
8.0.280.0000.00718.26
8.0.270.0040.00417.12
8.0.260.0040.00416.72
8.0.250.0000.00716.98
8.0.240.0000.00816.81
8.0.230.0030.00316.99
8.0.220.0070.00016.94
8.0.210.0030.00316.83
8.0.200.0000.00616.88
8.0.190.0000.00716.91
8.0.180.0030.00316.90
8.0.170.0000.00816.80
8.0.160.0030.00316.80
8.0.150.0000.00716.77
8.0.140.0030.00516.89
8.0.130.0060.00013.30
8.0.120.0080.00016.76
8.0.110.0040.00416.82
8.0.100.0000.00716.79
8.0.90.0040.00416.94
8.0.80.0100.01016.85
8.0.70.0070.00016.93
8.0.60.0040.00416.88
8.0.50.0000.00716.88
8.0.30.0100.01117.07
8.0.20.0090.01217.40
8.0.10.0040.00416.85
8.0.00.0090.00916.68
7.4.330.0000.00515.00
7.4.320.0000.00616.48
7.4.300.0000.00616.61
7.4.290.0000.00716.59
7.4.280.0000.00716.50
7.4.270.0030.00316.50
7.4.260.0030.00316.61
7.4.250.0030.00516.48
7.4.240.0060.00216.52
7.4.230.0030.00316.63
7.4.220.0100.00716.55
7.4.210.0060.01116.61
7.4.200.0000.00716.69
7.4.190.0000.00716.73
7.4.160.0030.01216.57
7.4.150.0070.01417.40
7.4.140.0090.00917.86
7.4.130.0080.00916.56
7.4.120.0050.01116.52
7.4.110.0070.01016.62
7.4.100.0130.00316.51
7.4.90.0140.00416.56
7.4.80.0060.01219.39
7.4.70.0030.01216.38
7.4.60.0070.01116.59
7.4.50.0030.00616.12
7.4.40.0120.00322.77
7.4.30.0150.00516.50
7.4.00.0040.01115.18
7.3.330.0000.00513.35
7.3.320.0000.00613.38
7.3.310.0000.00716.23
7.3.300.0060.00016.41
7.3.290.0110.00716.37
7.3.280.0040.01116.34
7.3.270.0080.00917.40
7.3.260.0070.01016.63
7.3.250.0110.00816.36
7.3.240.0140.00316.38
7.3.230.0070.01316.49
7.3.210.0100.00916.26
7.3.200.0130.00319.39
7.3.190.0130.00616.48
7.3.180.0120.00616.33
7.3.170.0090.00616.27
7.3.160.0220.00016.38
7.3.120.0100.00714.93
7.2.330.0070.01016.73
7.2.320.0170.00416.39
7.2.310.0100.01316.34
7.2.300.0060.01016.69
7.2.290.0090.00916.59
7.2.60.0070.00716.48
7.2.00.0080.00819.46
7.1.200.0030.00915.86
7.1.100.0040.00818.05
7.1.70.0030.00717.18
7.1.60.0080.01519.82
7.1.50.0110.01116.61
7.1.00.0030.03322.44
7.0.200.0000.00916.34
7.0.140.0070.07022.00
7.0.60.0470.06320.02
7.0.50.0030.08017.93
7.0.40.0070.04320.31
7.0.30.0400.04020.34
7.0.20.0330.06720.24
7.0.10.0030.04020.17
7.0.00.0030.04320.36
5.6.280.0030.07320.82
5.6.210.0130.07320.70
5.6.200.0030.08718.27
5.6.190.0030.09020.34
5.6.180.0170.05720.41
5.6.170.0330.06720.52
5.6.160.0070.08720.54
5.6.150.0030.04318.14
5.6.140.0070.06318.14
5.6.130.0000.08718.11
5.6.120.0070.07320.98
5.6.110.0100.07020.97
5.6.100.0100.07721.01
5.6.90.0030.08721.03
5.6.80.0000.04320.29
5.5.350.0200.08020.46
5.5.340.0070.08017.95
5.5.330.0100.08020.28
5.5.320.0270.05320.52
5.5.310.0230.08020.52
5.5.300.0070.08017.99
5.5.290.0170.07017.92
5.5.280.0000.08720.87
5.5.270.0030.04320.79
5.5.260.0070.06320.86
5.5.250.0100.07320.66
5.5.240.0100.08320.04
5.4.450.0700.05019.65
5.4.440.0730.06019.34
5.4.430.0170.06719.69
5.4.420.0100.06019.69
5.4.410.0230.05019.35
5.4.400.0470.05018.48
5.4.390.0430.06718.76
5.4.380.0200.05718.63
5.4.370.0230.04318.63
5.4.360.0200.04318.56
5.4.350.0100.03812.02
5.4.340.0060.03812.01
5.4.320.0070.03912.50
5.4.310.0060.04712.50
5.4.300.0110.03512.50
5.4.290.0030.04012.50
5.4.280.0070.03412.39
5.4.270.0080.04712.40
5.4.260.0050.03812.40
5.4.250.0000.05718.64
5.4.240.0070.05718.97
5.4.230.0100.05018.92
5.4.220.0070.05718.86
5.4.210.0070.05718.87
5.4.200.0000.08718.90
5.4.190.0030.05718.78
5.4.180.0070.05018.99
5.4.170.0070.05318.62
5.4.160.0200.03718.73
5.4.150.0200.05318.74
5.4.140.0070.05016.56
5.4.130.0070.04716.39
5.4.120.0000.05316.38
5.4.110.0130.04316.37
5.4.100.0070.04716.29
5.4.90.0030.05016.37
5.4.80.0100.04316.43
5.4.70.0030.05016.46
5.4.60.0170.04016.50
5.4.50.0100.04316.55
5.4.40.0000.05316.47
5.4.30.0200.04716.28
5.4.20.0100.04316.54
5.4.10.0170.04016.40
5.4.00.0000.05315.84
5.3.290.0040.04312.80
5.3.280.0070.05014.73
5.3.270.0030.07014.59
5.3.260.0030.05314.73
5.3.250.0100.06314.50
5.3.240.0030.05714.68
5.3.230.0070.05014.73
5.3.220.0070.05014.69
5.3.210.0100.04714.73
5.3.200.0100.04714.59
5.3.190.0100.04714.72
5.3.180.0070.04714.78
5.3.170.0030.05714.38
5.3.160.0100.04714.57
5.3.150.0130.04314.77
5.3.140.0000.05314.63
5.3.130.0070.05314.53
5.3.120.0170.05014.37
5.3.110.0100.04714.61
5.3.100.0030.05314.05
5.3.90.0030.05014.02
5.3.80.0000.06314.25
5.3.70.0030.05013.84
5.3.60.0100.05314.18
5.3.50.0130.04314.03
5.3.40.0070.04714.17
5.3.30.0030.05313.92
5.3.20.0100.05313.52
5.3.10.0030.05013.82
5.3.00.0070.05013.86
5.2.170.0070.04010.97
5.2.160.0100.03311.30
5.2.150.0030.04311.09
5.2.140.0130.04711.12
5.2.130.0030.04011.27
5.2.120.0030.04011.16
5.2.110.0070.05311.10
5.2.100.0070.03711.17
5.2.90.0070.03711.07
5.2.80.0070.04011.18
5.2.70.0170.04011.30
5.2.60.0030.04011.04
5.2.50.0130.03311.12
5.2.40.0170.04011.11
5.2.30.0000.04311.07
5.2.20.0030.04010.95
5.2.10.0100.04310.85
5.2.00.0030.04010.67
5.1.60.0000.0379.83
5.1.50.0070.03010.04
5.1.40.0070.0309.81
5.1.30.0030.03710.31
5.1.20.0030.03710.42
5.1.10.0100.03010.04
5.1.00.0030.03710.06
5.0.50.0070.0278.70
5.0.40.0030.0278.38
5.0.30.0000.0438.13
5.0.20.0030.0238.29
5.0.10.0030.0278.25
5.0.00.0030.0438.07
4.4.90.0000.0236.29
4.4.80.0070.0176.29
4.4.70.0070.0236.64
4.4.60.0000.0236.64
4.4.50.0030.0276.64
4.4.40.0070.0306.64
4.4.30.0070.0176.64
4.4.20.0030.0206.64
4.4.10.0000.0336.64
4.4.00.0000.0336.64
4.3.110.0030.0306.64
4.3.100.0030.0206.64
4.3.90.0000.0236.64
4.3.80.0000.0376.64
4.3.70.0000.0236.64
4.3.60.0030.0206.64
4.3.50.0100.0136.64
4.3.40.0000.0336.64
4.3.30.0030.0206.64
4.3.20.0000.0236.64
4.3.10.0100.0206.64
4.3.00.0030.0306.56

preferences:
38.35 ms | 401 KiB | 5 Q